Universal Licensing System
551SG
ZetrOZ Systems
License details
| ULS identifier | 4006273 |
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| Call sign | 551SG |
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| Radio service | AC |
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| Status | A |
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| Grant date | 2018-03-02 |
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| Expiration | 2028-03-02 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:40:57 |
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Licensee
| Name | ZetrOZ Systems |
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| Applicant type | L |
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| FRN | 0027298413 |
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| Location | Trumbull, CT |
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| Address | 158 Pinewood Trail, Trumbull, CT, 06611 |
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License history
| Date | File or call sign | Action |
|---|
| 2018-03-02 | 551SG | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4006273 | 2026-08-02 01:40:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 551SG | ULS 4006273 | 2026-08-02 01:40:57 |
| Status | A | ULS 4006273 | 2026-08-02 01:40:57 |
| Service | AC | ULS 4006273 | 2026-08-02 01:40:57 |
| Grant Date | 2018-03-02 | ULS 4006273 | 2026-08-02 01:40:57 |
| Expiration Date | 2028-03-02 | ULS 4006273 | 2026-08-02 01:40:57 |